Hollyland Cosmo C2 Wireless Video Transmission Kit 1TX + 1RX

Two cameras, one receiver

The Cosmo C2 receiver handles the signal from two transmitters at once. A 2TX + 1RX setup saves devices and cables, reduces interference and keeps both feeds in sync.

1,000 m range and 33 ms latency

Cosmo C2 carries video up to 1,000 m line of sight, and its 33 ms latency stays the same over long distances. It suits sports coverage, concerts, weddings, church services and ENG.

2TX + 1RX setup

The receiver can take video from two transmitters at the same time. Add one Cosmo C2 TX transmitter to this kit and you have wireless transmission from two cameras to a single receiver.

HEVO 2.0 and seamless frequency hopping

Hollyland’s own HEVO 2.0 technology constantly monitors nearby interference and switches to a clean channel in the 5.15–5.85 GHz band without dropouts. Compared with HEVO 1.0 it offers up to 18% lower latency and up to 186% greater range.

NDI HX3, UVC and RTMP

The receiver supports NDI HX3, so video goes onto the network over a single Ethernet cable. Over USB-C it connects to a computer as a UVC source without a capture card, and Cosmo C2 can also stream via RTMP to YouTube or Twitch.

Connectors for professional rigs

The transmitter has HDMI 1.4b and 3G-SDI inputs and a 3G-SDI loop-out. The receiver offers two HDMI outputs, two 3G-SDI outputs, USB-C and an RJ45 network port. Fractional frame rates are supported.

Power and frozen frame

The transmitter runs on a locking DC input or an NP-F battery, the receiver on a locking DC input or a V-mount battery. If the link drops, the receiver holds the last frame, and you can replace that image with your own logo from a USB flash drive.